Question: An airplane whose rest length is 40.0 m is moving at uniform velocity with respect to Earth, at a speed of 630 m/s. (a) By

An airplane whose rest length is 40.0 m is moving at uniform velocity with respect to Earth, at a speed of 630 m/s.

(a) By what fraction of its rest length is it shortened to an observer on Earth?

(b) How long would it take, according to Earth clocks, for the airplane's clock to fall behind by 1.00μs? (Use special relativity in your calculations.)

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